Fix SharePoint Document Set Files Disappearing Until Refresh
Question details
The user needs a solution for an issue where newly uploaded files in a SharePoint Document Set temporarily disappear from the view when additional files are dragged in before the page is refreshed.

- Product
- Microsoft SharePoint
- Device & OS
- not provided
- Scenario
- Dragging and dropping files into a SharePoint Document Set via a web browser.
- Observed behavior
- Previously uploaded files vanish from the Document Set interface and do not reappear until the user manually refreshes the web page.
Verify that your internet connection is stable and press F5 to manually refresh the page to confirm that the files have actually uploaded and are safely stored in the Document Set.
Test Uploads in an Incognito Window and Alternate Environments
Isolating the browser environment helps determine if the issue is caused by local cache, extensions, or a broader SharePoint tenant glitch.
Browser extensions and cached data can sometimes interfere with SharePoint's dynamic web interface, causing visual glitches during drag-and-drop operations. Testing in a clean session helps bypass these conflicts.
Launch your web browser and open an InPrivate window (Microsoft Edge) or an Incognito window (Google Chrome).
Log into your Microsoft 365 account, navigate to the SharePoint document library, and open the specific Document Set.
Drag and drop a single file into the browser window. Once it uploads, immediately drag another file into the set to observe if the first file disappears.

Contact Microsoft 365 Support for Technical Investigation
If the problem persists across different browsers and tenants, it is likely a backend UI bug requiring Microsoft Support engineers to investigate.
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- 1. Download the software: Visit the official WPS Office website to download the free installation package.
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Frequently Asked Questions
Are my files actually deleted when they disappear from the SharePoint Document Set view?
No, the files are securely uploaded to the SharePoint server. The disappearance is merely a display glitch in the web browser's user interface. Pressing F5 to refresh the page will make the files visible again.
What are HAR logs and why would Microsoft Support request them?
HAR (HTTP Archive) logs record the interaction and data transfer between your web browser and the SharePoint servers. Microsoft engineers use these logs to pinpoint exactly which script or network request is failing during the drag-and-drop process.
How can I prevent this SharePoint glitch during bulk uploads?
Instead of dragging and dropping files one by one into the Document Set before the page refreshes, select all the files you want to upload at once on your desktop, and drag the entire batch into the browser simultaneously.
Can I use a different web browser to fix this SharePoint issue?
Yes, occasionally this issue is isolated to the rendering engine of a specific browser. Testing the upload process in Google Chrome, Mozilla Firefox, or Microsoft Edge can help determine if the problem is browser-specific.




